html,
body {
  width: 100%;
  height: 100%;
  background: #fff;
}
.sq_top {
  width: 100%;
  max-width: 48rem;
  height: 26.4rem;
  background: url('../image/bg1.jpg') no-repeat;
  background-size: cover;
  margin-top: -2rem;
}
.sq_top .sq_header {
  width: 30rem;
  margin: 0 auto;
  padding-top: 2.5rem;
  box-sizing: border-box;
}
.sq_top .sq_header h1 {
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
}
.sq_top .sq_header .nav_btn {
  width: 5.25rem;
  height: 1.175rem;
  font-size: 0.65rem;
  background: rgba(202, 213, 219, 0.5);
  text-align: center;
  font-family: 'SimHei';
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0.05rem;
  color: #2e2b34;
  margin-left: 0.6rem;
  line-height: 1.175rem;
  margin-top: 0.25rem;
  border-radius: 0.25rem;
}
.sq_top .sq_slogan {
  text-align: center;
  font-family: 'ARUDJingXiHeiPE1XG30-BD';
  font-size: 1.5rem;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0rem;
  color: #ffffff;
  margin-top: 3rem;
}
.sq_top .about_btn {
  width: 5.125rem;
  height: 1.825rem;
  border-radius: 0.3rem;
  border: solid 0.05rem #ffffff;
  color: #fff;
  font-size: 0.5rem;
  text-align: center;
  line-height: 1.825rem;
  margin: 0 auto;
  margin-top: 4rem;
}
.sq_top .about_btn a {
  color: #fff;
}
.about_us {
  width: 100%;
  max-width: 48rem;
  height: 20.275rem;
  background: url('../image/bg2.jpg') no-repeat;
  background-size: cover;
  margin: 0 auto;
  margin-top: 0.5rem;
  padding-top: 2.75rem;
  box-sizing: border-box;
}
.about_us h2 {
  font-weight: 400;
  width: 100%;
  height: 1.425rem;
  font-family: 'ARUDJingXiHeiPE1XG30-BD';
  font-size: 1rem;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0rem;
  color: #ffffff;
  text-align: center;
}
.about_us .about_dec {
  width: 30rem;
  margin: 0 auto;
  text-indent: 2em;
  font-family: 'SimHei';
  font-size: 0.6rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.275rem;
  letter-spacing: 0rem;
  color: #fefefe;
  margin-top: 2rem;
}
.about_us .pic_show {
  width: 30rem;
  margin: 0 auto;
  margin-top: 2.75rem;
}
.about_us .pic_show .show_item {
  width: 30%;
  margin-left: 3%;
}
.server_dec {
  width: 100%;
  height: 13.25rem;
  padding-top: 3rem;
}
.server_dec h2 {
  width: 100%;
  text-align: center;
  height: 1.45rem;
  font-family: 'ARUDJingXiHeiPE1XG30-BD';
  font-size: 1rem;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0rem;
  color: #353535;
  font-weight: 400;
}
.server_dec .project_list {
  width: 42.5rem;
  margin: 0 auto;
  margin-top: 1.5rem;
}
.server_dec .project_list .project_item {
  width: 10rem;
  margin: 0 2rem;
}
.server_dec .project_list .project_item .icon {
  width: 100%;
}
.server_dec .project_list .project_item .icon img {
  height: 4.05rem;
  width: auto;
  margin: 0 auto;
}
.server_dec .project_list .project_item .pro_name {
  width: 100%;
  font-family: 'AdobeHeitiStd-Regular';
  font-size: 0.65rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.2rem;
  letter-spacing: 0rem;
  color: #2e2b34;
  text-align: center;
}
.server_dec .project_list .project_item .server_info {
  width: 100%;
  text-align: center;
  font-family: 'SimHei';
  font-size: 0.45rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.65rem;
  letter-spacing: 0rem;
  color: #2e2b34;
}
.link_us {
  width: 100%;
  height: 5rem;
  background-color: #f2f2f2;
  text-align: center;
  padding-top: 2.5rem;
}
.link_us h2 {
  width: 100%;
  text-align: center;
  height: 1.45rem;
  font-family: 'ARUDJingXiHeiPE1XG30-BD';
  font-size: 1rem;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0rem;
  color: #353535;
  font-weight: 400;
}
.link_us p {
  font-family: 'SimHei';
  font-size: 0.6rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.65rem;
  letter-spacing: 0rem;
  color: #2e2b34;
}
.sq_footer {
  text-align: center;
  background: #000;
  color: #fff;
  font-size: 0.5rem;
}